2a9a9ae73a44d36201bc9409364f860dd7bcc2005a3e770afc3d32395c8c1045

Reason

Machine shutdown

General

Target

a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe
Size

85KB
MD5

a2c260b53c5fc518b66bacc793b562d6
SHA1

bd7d7d87fd4ba022f1b813d672fd6b92e684a0ec
SHA256

2a9a9ae73a44d36201bc9409364f860dd7bcc2005a3e770afc3d32395c8c1045
SHA512

f46afc02a5cdd78d6e6019431bab830f786a530c76fa4b7f7d667854bafa024b8f00df7e47145419931886c42aa44b2285cea22f52aa320de9b825eb269cd14f
SSDEEP

1536:LvNlpCGhj7AQYMcU8WElTjQ9hx10mCTuIZg8Qo5SMlhD6nykb4tQwReCYRr+8MRe:J3CSjBYLU8DgDrYB/QFKGykb7L+WT

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2699118926 = "C:\\Users\\Admin\\2699118926.exe"	reg.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	shutdown.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "237"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe
Token: SeShutdownPrivilege	4036	shutdown.exe
Token: SeRemoteShutdownPrivilege	4036	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3692	LogonUI.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 3468	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	84
PID 3996 wrote to memory of 3468	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	84
PID 3996 wrote to memory of 3468	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	84
PID 3468 wrote to memory of 1440	3468	cmd.exe	86
PID 3468 wrote to memory of 1440	3468	cmd.exe	86
PID 3468 wrote to memory of 1440	3468	cmd.exe	86
PID 3996 wrote to memory of 4036	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	88
PID 3996 wrote to memory of 4036	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	88
PID 3996 wrote to memory of 4036	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	88
PID 3996 wrote to memory of 3620	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	90
PID 3996 wrote to memory of 3620	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	90
PID 3996 wrote to memory of 3620	3996	a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a2c260b53c5fc518b66bacc793b562d6_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2699118926 /t REG_SZ /d "%userprofile%\2699118926.exe" /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2699118926 /t REG_SZ /d "C:\Users\Admin\2699118926.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:1440
- C:\Windows\SysWOW64\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /r /f /t 3
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\A2C260~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3620

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa39af055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:3692

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3996-1-0x0000000002F30000-0x0000000002F37000-memory.dmp

Filesize
28KB

Download
memory/3996-0-0x0000000001900000-0x000000000190E000-memory.dmp

Filesize
56KB

Download
memory/3996-2-0x0000000000A80000-0x0000000000A91000-memory.dmp

Filesize
68KB

Download
memory/3996-4-0x0000000000A80000-0x0000000000A9B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads